Mixed Dentition Quiz

What is the term used for the size discrepancy between permanent and deciduous incisors?

• Arch growth

• Incisor liability

• Mesial shift

• Leeway space

What is the term used for the size discrepancy between permanent and deciduous incisors?

• Arch growth

• Incisor liability

• Mesial shift

• Leeway space

What is the leeway space in mixed dentition?

• The space between primary molars and permanent premolars

• The total width of primary canines and molars

• The space required for permanent incisors

• The distance between deciduous and permanent teeth

What happens during the late mesial shift?

• Incisors erupt earlier

• Permanent molars shift toward the mesial

• Deciduous teeth are lost

• Permanent molars shift toward the distal

Which of the following is NOT a transformation of end-to-end occlusion?

• Class IV

• Class III

• Class II

• Class I

What is the primary reason for the arch growth in the intercanine region?

• To accommodate deciduous teeth

• To prevent tooth decay

• To provide space for permanent incisors

• To maintain dental aesthetics

What is the effect of the eruption of permanent incisors on the diastema between 11 and 21?

• It decreases the diastema

• It causes crowding

• It has no effect

• It increases the diastema

Which teeth are generally labially positioned during eruption?

• Permanent canines

• Deciduous molars

• Permanent incisors

• Deciduous incisors

What is the significance of the correct ratio between deciduous and permanent incisors?

• It affects the alignment of molars

• It influences the eruption sequence

• It determines the need for orthodontic treatment

• It impacts the overall dental arch space

What is the result of a mesial step in dental occlusion?

• Class II relationship

• Class I relationship

• Class III relationship

• End-to-end relationship